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Engineering & Construction

Ramp Slope Calculator

Calculate a ramp slope from the rise and the horizontal run. A 1 in 12 ramp is 8.33%. The tool does not decide if a ramp meets an access rule.

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This runs entirely in your browser. Nothing you type is sent to a server.

How to use the Ramp Slope Calculator

  1. 1Enter the vertical rise.
  2. 2Enter the horizontal run.
  3. 3Read the percent, the angle, the gradient and the slope length.

Questions

What is 1 in 12?

Twelve units of horizontal run for one unit of rise, which is 8.33%.

Is the run the sloping length?

No. The run is horizontal. The slope length is the diagonal, and the page shows that too.

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